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参数资料
| 型号： | W25Q32BVSFIG |
| 厂商： | Winbond Electronics |
| 文件页数： | 35/78页 |
| 文件大小： | 0K |
| 描述： | IC SPI FLASH 32MBIT 16SOIC |
| 标准包装： | 44 |
| 系列： | SpiFlash® |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | FLASH |
| 存储容量： | 32M（4M x 8） |
| 速度： | 104MHz |
| 接口： | SPI 串行 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
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W25Q32BV
7.2.16 Word Read Quad I/O (E7h)
The Word Read Quad I/O (E7h) instruction is similar to the Fast Read Quad I/O (EBh) instruction except
that the lowest Address bit (A0) must equal 0 and only two Dummy clocks are required prior to the data
output. The Quad I/O dramatically reduces instruction overhead allowing faster random access for code
execution (XIP) directly from the Quad SPI. The Quad Enable bit (QE) of Status Register-2 must be set to
enable the Word Read Quad I/O Instruction.
Word Read Quad I/O with “Continuous Read Mode”
The Word Read Quad I/O instruction can further reduce instruction overhead through setting the
“Continuous Read Mode” bits (M7 -0) after the input Address bits (A23-0), as shown in Figure 15a. The
upper nibble of the (M7-4) controls the length of the next Fast Read Quad I/O instruction through the
inclusion or exclusion of the first byte instruction code. The lower nibble bits of the (M3- 0) are don’t care
(“x”). However, the IO pins should be high -impedance prior to the falling edge of the first data out clock.
If the “Continuous Read Mode ” bits M5-4 = (1,0), then the next Fast Read Quad I/O instruction (after /CS
is raised and then lowered) does not require the E7h instruction code, as shown in Figure 15b. This
reduces the instruction sequence by eight clocks and allows the Read address to be immediately entered
after /CS is asserted low. If the “Continuous Read Mode ” bits M5-4 do not equal to (1,0), the next
instruction (after /CS is raised and then lowered) requires the first byte instruction code, thus returning to
normal operation. A “Continuous Read Mode” Reset instruction can also be used to reset (M7 -0) before
issuing normal instructions (See 7.2.20 for detail descriptions).
/CS
Mode 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
CLK
Mode 0
Instruction (E7h)
A23-16
A15-8
A7-0
M7-0
Dummy
IOs switch from
Input to Output
IO 0
IO 1
IO 2
IO 3
20
21
22
23
16
17
18
19
12
13
14
15
8
9
10
11
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Byte 1
Byte 2
Byte 3
Figure 15a. Word Read Quad I/O Instruction Sequence (Initial instruction or previous M5-4 ? 10)
Publication Release Date: October 04,2013
- 35 -
Revision I
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W25Q32BVSFIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q32BVSSAG | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q32BVSSAP | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q32BVSSIG | 功能描述:IC SPI FLASH 32MBIT 8SOIC RoHS:是 类别:集成电路 (IC) >> 存储器 系列:SpiFlash® 标准包装:1,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 线串口 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.173"，4.40mm 宽） 供应商设备封装:8-MFP 包装:带卷 (TR) |
| W25Q32BVSSIG TR | 制造商:Winbond Electronics Corp 功能描述:SPIFLASH, 32M-BIT, 4KB UNIFORM |
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